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Finding the Fourth Proportional to 830,547.70, 1,163,554.10 and 830,547.70

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Solution

The fourth proportional to 830,547.70, 1,163,554.10 and 830,547.70 is: 1,163,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,547.70 : 1,163,554.10 = 830,547.70 : x
  2. Step 2: Convert to fraction form
    830,547.70/1,163,554.10 = 830,547.70/x
  3. Step 3: Cross multiply
    830,547.70x = 1,163,554.10 × 830,547.70
  4. Step 4: Simplify right side
    830,547.70x = 966,387,181,580.57
  5. Step 5: Solve for x
    x = 966,387,181,580.57/830,547.70
  6. Step 6: Final answer
    x = 1,163,554.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.