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Finding the Fourth Proportional to 634,547.70, 951,821.55 and 606,554.10

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Solution

The fourth proportional to 634,547.70, 951,821.55 and 606,554.10 is: 909,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,547.70 : 951,821.55 = 606,554.10 : x
  2. Step 2: Convert to fraction form
    634,547.70/951,821.55 = 606,554.10/x
  3. Step 3: Cross multiply
    634,547.70x = 951,821.55 × 606,554.10
  4. Step 4: Simplify right side
    634,547.70x = 577,331,263,620.86
  5. Step 5: Solve for x
    x = 577,331,263,620.86/634,547.70
  6. Step 6: Final answer
    x = 909,831.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.