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Finding the Fourth Proportional to 607,031.60, 910,547.40 and 370,835.60

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Solution

The fourth proportional to 607,031.60, 910,547.40 and 370,835.60 is: 556,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,031.60 : 910,547.40 = 370,835.60 : x
  2. Step 2: Convert to fraction form
    607,031.60/910,547.40 = 370,835.60/x
  3. Step 3: Cross multiply
    607,031.60x = 910,547.40 × 370,835.60
  4. Step 4: Simplify right side
    607,031.60x = 337,663,391,407.44
  5. Step 5: Solve for x
    x = 337,663,391,407.44/607,031.60
  6. Step 6: Final answer
    x = 556,253.40

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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.